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350560728 = 233273491993
BaseRepresentation
bin10100111001010…
…010000111011000
3220102122022220200
4110321102013120
51204220420403
654441422200
711454500640
oct2471220730
9812568820
10350560728
1116a978511
129949a960
13578214ab
14347b5520
1520b99ca3
hex14e521d8

350560728 has 96 divisors (see below), whose sum is σ = 1088724000. Its totient is φ = 99823104.

The previous prime is 350560711. The next prime is 350560751. The reversal of 350560728 is 827065053.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 350560692 and 350560701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174900 + ... + 176892.

It is an arithmetic number, because the mean of its divisors is an integer number (11340875).

Almost surely, 2350560728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350560728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544362000).

350560728 is an abundant number, since it is smaller than the sum of its proper divisors (738163272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

350560728 is a wasteful number, since it uses less digits than its factorization.

350560728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361 (or 2354 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 350560728 is about 18723.2670226112. The cubic root of 350560728 is about 705.1060169522.

The spelling of 350560728 in words is "three hundred fifty million, five hundred sixty thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 349 504 698 1047 1396 1993 2094 2443 2792 3141 3986 4188 4886 5979 6282 7329 7972 8376 9772 11958 12564 13951 14658 15944 17937 19544 21987 23916 25128 27902 29316 35874 41853 43974 47832 55804 58632 71748 83706 87948 111608 125559 143496 167412 175896 251118 334824 502236 695557 1004472 1391114 2086671 2782228 4173342 4868899 5564456 6260013 8346684 9737798 12520026 14606697 16693368 19475596 25040052 29213394 38951192 43820091 50080104 58426788 87640182 116853576 175280364 350560728